Home / 454,493,593.20-627,213,475.80-278,278,235.76

Finding the Fourth Proportional to 454,493,593.20, 627,213,475.80 and 278,278,235.76

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Solution

The fourth proportional to 454,493,593.20, 627,213,475.80 and 278,278,235.76 is: 384,031,506.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,493,593.20 : 627,213,475.80 = 278,278,235.76 : x
  2. Step 2: Convert to fraction form
    454,493,593.20/627,213,475.80 = 278,278,235.76/x
  3. Step 3: Cross multiply
    454,493,593.20x = 627,213,475.80 × 278,278,235.76
  4. Step 4: Simplify right side
    454,493,593.20x = 174,539,859,490,521,440
  5. Step 5: Solve for x
    x = 174,539,859,490,521,440/454,493,593.20
  6. Step 6: Final answer
    x = 384,031,506.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.